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Nuvistor Tubes (all numbers) ·Triode

8393

Industrial medium-mu Nuvistor triode for general-purpose amplifier and oscillator service extending into the UHF region.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
12AQ
Socket code
B9A
Base pins
-
Nominal heater
13.5 V / 60 mA

Description

Industrial medium-mu Nuvistor triode for general-purpose amplifier or oscillator service extending into the UHF region; it is related to type 7586 with specified differences.

Socket description

Small-button Noval 9-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
12AQ
Socket code
B9A
Base pins
-
Nominal heater voltage
13.5 V
Nominal heater current
60 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

12AQ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Transconductance
0.009 S

Published promoted values applied where semantically applicable; additional source-table values retained in TUBE_SECTION_PARAMETER.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1971 RCA HB3 Binder 3 of 7

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Voltage (AC or DC) — published value 1

    13.5 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Voltage (AC or DC) — published value 2

    1 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Voltage (AC or DC) — published value 3

    4 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Current at heater volts = 13 5 — published value 1

    13 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Current at heater volts = 13 5 — published value 2

    5 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Current at heater volts = 13 5 — published value 3

    0.06 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid to plate

    2.4 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode

    1.7 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Current — published value 1

    10

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Current — published value 2

    0.055

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater Current — published value 3

    0.065

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid to plate — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid to plate — published value 2

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Grid to plate — published value 3

    2.8 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 1

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 2

    1.4 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater to cathode — published value 3

    2 pF

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance (2) — published value 1

    2

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance (2) — published value 2

    11

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Transconductance (2) — published value 3

    9000

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note 10 — published value 1

    10 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note 10 — published value 2

    13.5 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note 1 1 — published value 1

    1 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note 1 1 — published value 2

    1 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Note 1 1 — published value 3

    12 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

  • Heater volts = 18.0

    18 V

    Published datasheet value; multiple numbers on a source row represent separate limits or operating conditions.

Data set 02

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater Voltage (ac/dc) 13.5

    1.4 V

    Published in approved 8393 target datasheet entry; Section1

  • Heater Current

    60 mA

    Published in approved 8393 target datasheet entry; Section1

Capacitance

  • Grid to Plate

    2.4 pF

    Published in approved 8393 target datasheet entry; Section1

  • Grid to Cathode, Heater, and Shell

    4.4 pF

    Published in approved 8393 target datasheet entry; Section1

  • Plate to Cathode, Heater, and Shell

    1.6 pF

    Published in approved 8393 target datasheet entry; Section1

  • Plate to Cathode

    0.26 pF

    Published in approved 8393 target datasheet entry; Section1

  • Heater to Cathode

    1.7 pF

    Published in approved 8393 target datasheet entry; Section1